This bundle of nerve fibers carries visual signals from the retina to the brain.
This nerve layer lines the back of the eye. The retina takes the light the eye receives and changes it into nerve signals so the brain can understand what the eye is seeing.
Glaucoma is an eye disease that causes damage to the optic nerve and may result in vision loss. Symptoms
Glaucoma causes damage to the optic nerve and may result in vision loss.
See how damage to the optic nerve may affect your vision.